GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - MK7GC1X0XTV50VU7K

The ship Mary Rose, first launched in 1511, underwent extensive repairs in 1528 and 1536 and sank in 1543. Researchers raised the ship in 1982 and analyzed the wreck's preserved timbers; some timbers came from trees felled after 1511, so they must have been added during repair. There were some beams, however, that came from trees felled before 1511. It is likely, therefore, that these beams were part of the original ship.